420 Dive Log Australasia OCTOBER 2026

What’s over 500 pages long, packed with 1000’s of nudibranchs, and bursting with information on them? It’s the Definitive Nudibranch Book! ...and it’s coming soon.

Written from a Lifetime Beneath the Surface Created for divers, photographers, naturalists and anyone fascinated by these extraordinary sea slugs, it brings together spectacular imagery, fascinating detail and an incredible variety of species from the underwater world. It's a limited first limited first edition with a hard cover, take a look and bookmark the dedicated sales site at the URL below. Authors David Mullins and David Behrens bring together scientific knowledge, decades of diving experience and countless observations of nudibranchs in their natural environment.

The result is a book that connects marine science with what divers actually encounter underwater.

Complex biology becomes understandable. Behaviour becomes recognisable. . . . Animals that were already beautiful, become even more fascinating.

Register your interest to buy, go to www.nudibranchdomain.org and follow the links!

Limited First Edition - Hardcover - Over 500 Pages - More than 1200 Images - 120+ Drawings and Diagrams - 500+ Species used as examples to explain and show behaviour and biology.

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DIVE LOG Australasia #420 Oct ‘26

www.divelog.net.au